Home / 141,009.37-194,592.41-87,283.69

Finding the Fourth Proportional to 141,009.37, 194,592.41 and 87,283.69

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Solution

The fourth proportional to 141,009.37, 194,592.41 and 87,283.69 is: 120,451.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,009.37 : 194,592.41 = 87,283.69 : x
  2. Step 2: Convert to fraction form
    141,009.37/194,592.41 = 87,283.69/x
  3. Step 3: Cross multiply
    141,009.37x = 194,592.41 × 87,283.69
  4. Step 4: Simplify right side
    141,009.37x = 16,984,743,590.79
  5. Step 5: Solve for x
    x = 16,984,743,590.79/141,009.37
  6. Step 6: Final answer
    x = 120,451.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.